Quick overview of installing cPanel:
ssh
to server
cd /home && curl -o latest -L https://securedownloads.cpanel.net/latest && sh latest
References:
https://documentation.cpanel.net/display/76Docs/Installation+Guide
https://www.freecodecamp.org/news/how-to-install-cpanel-whm-on-a-digital-ocean-vps-8146eb83f70a/